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BSA "Maxi-grip" 'scope rail: Worst idea in the world ever.

Discussion in 'Anything Airgun Related' started by cloverleaf, Feb 6, 2014.

  1. cloverleaf

    cloverleaf Super Moderator Staff Member Mod/Admin

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    Discuss.. ;)
     
  2. Stevie Darling

    Stevie Darling Sexual tyrannosaurus

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    The maxi was on my lightning, never understood the sizing really, it was also a barstewrd to remove to get in for a bit of fettling.
     
  3. Wild Bill

    Wild Bill Long time poster

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    This + one. A right bar steward.
     
  4. Patrick

    Patrick Donator

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    Not being a Lightning owner but why do you have to remove the scope rail to get the innards out,just curious, but would like to know,if you can enlighten me, thanks
     
  5. Bridson

    Bridson Active Member

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    Does it really need it on? I took mine off to use it to raise the scope on my other gun so I didn't have to buy taller mounts lol
     
  6. Truckcab79

    Truckcab79 Busy Member

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    Interesting topic as I've got one on the Superstar I've just bought. I presume from the name that the purpose was to give the scope mounts more grip, though my supersport had rails that look like nothing could grip them, but it's never been an issue. Is there a set of regular rails under the maxi one?
     
  7. OLD GIT61

    OLD GIT61 if no spring it wont do a thing

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    It is a time consuming job to find the right scope mounts for the maxigrip rail ,but you can get them . And cost 3 times more than normal mounts. My pick was a set of BKL mounts . And only 8 week ago i purchased another Superstar in .22 And a new scope to go on it it was a Panorama. I did purchase an all in one mount from another shop while i was waiting that were made for the maxirail , but it had adjustment that i could not get used to, so sold them on. This was while i was waiting for the bkl mounts i had orderd to come , this was at the same time i had purchased the gum 8 weeks back.In the end i contacted DEBEN and a set came in 2 days.
     
  8. lone wolf

    lone wolf Pro Poster

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    The newer bsa's maxi rails are removable and reveal normal dovetails.

    However the older ones are a pain to get mounts for and to remove are tricky,any tips would be great!

    You can remove the spring and spring guide without removing the rail but if you want to get the rest of the guns guts out you have to remove the rail as the lugs prevent anything else coming out.

    I dont like the rail due to the 14mmsize and its akward design,but i can live with it.

    Gaz
     
  9. lone wolf

    lone wolf Pro Poster

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    How olds your rifle? I bet its a newer one that the maxi rail clamps onto normal dovetails unlike the older ones

    Gaz
     
  10. lone wolf

    lone wolf Pro Poster

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    Whats your thoughts mate?

    Gaz
     
  11. Jackroadkill

    Jackroadkill Donator

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    It's not very scientific but I use a block of wood and a hammer.
     
  12. tommy gun

    tommy gun Posting Addict

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    What i have is a bsa supersport with a lightning barrel and silencer on problem solved.
     
  13. lone wolf

    lone wolf Pro Poster

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    Thats what ive heard also mate but did you need to compress the rail against the action to remove it or is that just to re fit it?

    Gaz
     
  14. Jackroadkill

    Jackroadkill Donator

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    That was just to refit - a few good thumps and it comes off.
     
  15. lone wolf

    lone wolf Pro Poster

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    Cheers jr now wheres my hammer!:)

    Gaz
     
  16. cloverleaf

    cloverleaf Super Moderator Staff Member Mod/Admin

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    Yes, the older (non-Gamo designed) BSA rifles all require the Maxi-grip rail to be detached before the piston can be removed.


    Yeah, I think the idea was potentially to give more clamping area to reduce the risk of the 'scope to move backwards under the very sharp recoil of some of their models. On older (BSA designed) rifles the rail attaches to holes in the top of the receiver so there are no rails beneath it. There are are on the later (rebadged Gamo) rifles; although we all know that these rifles are to be avoided at all costs :p


    Good work - for future reference Sportsmatch / Bisley do a range of two-piece mounts to fit wider BSA rails ;)


    Yup; tools of appropriate precision for working on BSAs :p


    I hate the bloody things.. This post was inspired by having spent maybe half an hour knocking seven shades of shoite out of a Superstar with a range of increasingly "serious" tooling in order to access the piston for a clean, seal change and relube. A hammer and wooden block wouldn't touch the rail, so I ended up having to use an Aluminium alternative instead (marking the rail and rifle in places; although it was a sh*tter to begin with so I won't be losing any sleep).

    IMO the Superstar was perhaps BSA's best and most competent post-war springer; completely spoiled by this horrible lash-up IMO. At best the rail is of arguable benefit, yet its poorly-thought-out and makes access to the piston difficult and time consuming; worst of all it risks damage to the rifle every time the rail is removed and refitted.

    In the time it took me to strip the Superstar, remove and clean the piston, replace the seal, relube, refit and reassemble the rifle I could have done the same job on a TX200 or HW77 maybe three or four times. The latter guns would have suffered far less risk of damage to them during the procedure; since at no time would the process have involved smacking the granny out of them with a big hammer :rolleyes:
     
  17. mrtho

    mrtho Busy Member

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    Worst idea in the world, totally useless and just a nuisance when dismantling BSA's fitted with it!
     
  18. Darren Petts

    Darren Petts Temporarily Alive

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    Mounts are no issue at all. Nikko platinum ones work perfectly and being vertically split self-centre on any size rail. At under a tenner a set they're cheap too.
    [​IMG]
     
  19. Meteor62

    Meteor62 Major Poster

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    Mmmm.. I've had to resort to a hammer on many HW's to get them bloody trigger blocks moving.
     
  20. cloverleaf

    cloverleaf Super Moderator Staff Member Mod/Admin

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    Aye, but there's a difference between giving something a bit of a tap to free off dried grease / a bit of a tight component fit, then there's knocking seven bells out of it with a big hammer :p
     

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